Episode 1
In the small town of Fermont, Celine and Alexandre must solve the murder of a woman who was found inside the city's "wall," wearing a Chinese mask.
Episode 2
Celine and Alexandre make progress with the investigation; they learn that on the night she disappeared, Justine left the bar with a mysterious man.
Episode 3
Celine is now interested in looking into the murder of young Gregoire three years prior, as the two deaths are linked by method, among other things.
Episode 4
Celine believes that multiple murders are connected, while Jacques refuses to admit there's a serial killer and doesn't send reinforcements.
Episode 5
Celine begins to understand the killer: he murders people who are already victims in some way; Anthony and Raphaelle are on the run.
Episode 6
A new disappearance worries the police and Dave doesn't show up for work; the fleeing duo is caught, and Anthony makes troubling confessions.
Episode 7
Celine and Alex uncover the identity of a man; a new corpse is discovered; Celine figures out who the killer is.
Episode 8
Celine sees the pattern behind the murders: the victim, the executioner, and the matriarch behind it all. She soon realises her daughter is in danger.
